/*************************************************************************** * Copyright (C) 2010 PCSX4ALL Team * * Copyright (C) 2010 Unai * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * ***************************************************************************/ /////////////////////////////////////////////////////////////////////////////// // GPU internal sprite drawing functions /////////////////////////////////////////////////////////////////////////////// void gpuDrawS(const PS gpuSpriteSpanDriver) { s32 x0, x1; s32 y0, y1; s32 u0; s32 v0; x1 = x0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[2]) + DrawingOffset[0]; y1 = y0 = GPU_EXPANDSIGN_SPRT(PacketBuffer.S2[3]) + DrawingOffset[1]; x1+= PacketBuffer.S2[6]; y1+= PacketBuffer.S2[7]; { s32 xmin, xmax; s32 ymin, ymax; xmin = DrawingArea[0]; xmax = DrawingArea[2]; ymin = DrawingArea[1]; ymax = DrawingArea[3]; { int rx0 = Max2(xmin,Min2(x0,x1)); int ry0 = Max2(ymin,Min2(y0,y1)); int rx1 = Min2(xmax,Max2(x0,x1)); int ry1 = Min2(ymax,Max2(y0,y1)); if( rx0>=rx1 || ry0>=ry1) return; } u0 = PacketBuffer.U1[8]; v0 = PacketBuffer.U1[9]; r4 = s32(PacketBuffer.U1[0]); g4 = s32(PacketBuffer.U1[1]); b4 = s32(PacketBuffer.U1[2]); { s32 temp; temp = ymin - y0; if (temp > 0) { y0 = ymin; v0 += temp; } if (y1 > ymax) y1 = ymax; if (y1 <= y0) return; temp = xmin - x0; if (temp > 0) { x0 = xmin; u0 += temp; } if (x1 > xmax) x1 = xmax; x1 -= x0; if (x1 <= 0) return; } } { u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)]; const int li=linesInterlace; const u32 masku=TextureWindow[2]; const u32 maskv=TextureWindow[3]; for (;y0=rx1 || ry0>=ry1) return; } if (y0 < ymin) y0 = ymin; if (y1 > ymax) y1 = ymax; if (y1 <= y0) return; if (x0 < xmin) x0 = xmin; if (x1 > xmax) x1 = xmax; x1 -= x0; if (x1 <= 0) return; } { u16 *Pixel = &((u16*)GPU_FrameBuffer)[FRAME_OFFSET(x0, y0)]; const u16 Data = GPU_RGB16(PacketBuffer.U4[0]); const int li=linesInterlace; for (; y0